Home / 25,130.66-34,677.75-15,058.85

Finding the Fourth Proportional to 25,130.66, 34,677.75 and 15,058.85

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Solution

The fourth proportional to 25,130.66, 34,677.75 and 15,058.85 is: 20,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,130.66 : 34,677.75 = 15,058.85 : x
  2. Step 2: Convert to fraction form
    25,130.66/34,677.75 = 15,058.85/x
  3. Step 3: Cross multiply
    25,130.66x = 34,677.75 × 15,058.85
  4. Step 4: Simplify right side
    25,130.66x = 522,207,035.59
  5. Step 5: Solve for x
    x = 522,207,035.59/25,130.66
  6. Step 6: Final answer
    x = 20,779.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.